| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weeks | 111 |
30.5%
|
| 2 | Months | 90 |
24.7%
|
| 3 | Years | 3 |
0.8%
|
| 4 | Never returned to the same level | 0 |
0%
|
| 98 | Don't Know/Not sure | 153 |
42%
|
| 99 | Refused to respond | 7 |
1.9%
|
| Sysmiss | 224 |